From 43c3c59ca471af5c9a524e5eaf0ade1fad6ba4d6 Mon Sep 17 00:00:00 2001
From: Kai Hoewelmeyer <kai@hoewelmeyer.eu>
Date: Mon, 28 Nov 2022 19:34:20 +0100
Subject: [PATCH] fix one more

---
 bin/brew | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/brew b/bin/brew
index f030a9822b..9d055ac371 100755
--- a/bin/brew
+++ b/bin/brew
@@ -105,7 +105,7 @@ export HOMEBREW_LIBRARY
 # set from user environment
 # shellcheck disable=SC2154
 # Use VISUAL if HOMEBREW_EDITOR and EDITOR are unset.
-if [[ -z "${HOMEBREW_EDITOR}" && -n "${VISUAL}" ]]
+if [[ -z "${HOMEBREW_EDITOR:-}" && -n "${VISUAL}" ]]
 then
   export HOMEBREW_EDITOR="${VISUAL}"
 fi